Home / 35,513.30-49,010.74-20,410.86

Finding the Fourth Proportional to 35,513.30, 49,010.74 and 20,410.86

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Solution

The fourth proportional to 35,513.30, 49,010.74 and 20,410.86 is: 28,168.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,513.30 : 49,010.74 = 20,410.86 : x
  2. Step 2: Convert to fraction form
    35,513.30/49,010.74 = 20,410.86/x
  3. Step 3: Cross multiply
    35,513.30x = 49,010.74 × 20,410.86
  4. Step 4: Simplify right side
    35,513.30x = 1,000,351,352.64
  5. Step 5: Solve for x
    x = 1,000,351,352.64/35,513.30
  6. Step 6: Final answer
    x = 28,168.36

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.